postgresql7.1 select e.config_id, d.default_config_id, case when acs_permission__permission_p(e.config_id, :user_id, 'write') = 't' then 1 else 0 end as write_p, case when d.configurable_p = 't' then 1 else 0 as configurable_p from portal_datasources d, portal_elements e where e.datasource_id = d.datasource_id and e.element_id = :element_id